Octagons bars and octagonal hollows with round opening

Octagons and octagonal hollows with round opening

Cast Specification

Cast Specification

Sizes (mm)Tolerances (mm)Max length till (m)Straightening (rolling)Straightness (mm/m)Min wall thickness (%)
25,0 ≤ A ≤ 31,0
Standard program: 25,27,31 mm
A +0,0/-0,334,05 ±0,05No1,5-
34,0 ≤ A ≤ 42,0
Standard program: 34, 42 mm
A +0,0/-0,62
A=68,0A +0,0/-0,40
9,0 ≤ d ≤ 50,0d -0,6/+0,0
Size/weight

Size/weight

Octagons
Delivery sizes ØmmDelivery weight
Akg/m
254.5
275.29
316.99
348.35
4212.78
6833.5
Octagonal hollows
Delivery sizes ØmmDelivery weight ca.
Adkg/m
25103.8
25133.4
27104.6
27183
31126
3116.55.1
31204.2
3416.56.4
34225.1
682230.4
Materials/alloys

Materials/alloys

Application

Application

  • low-pressure valves;
  • pipe fittings;
  • gasoline and oil-line fittings;
  • fire extinguishing equipment fittings;
  • small gears;
  • pump parts;
  • general plumbing